//
//  UIBarButtonItem+Extension.swift
//  SilenceWeibo
//
//  Created by admin on 2017/6/19.
//  Copyright © 2017年 honliv. All rights reserved.
//

import UIKit

extension UIBarButtonItem{
    
    /// 创建 UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontSize
    ///   - target: target
    ///   - action: action
    ///   - isBack: 是否是返回按钮，是的话加上箭头
    convenience init(title:String, fontSize:CGFloat = 16, target:AnyObject?, action:Selector, isBack:Bool = false) {
        let btn:UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        
        if isBack {
            let imageName = "navigationbar_back_withtext"

            btn.setImage(UIImage(named:imageName), for: .normal)
            btn.setImage(UIImage(named:imageName + "_highlighted"), for: .highlighted)
            
            btn.sizeToFit()
        }
        
        btn.addTarget(target, action: action, for: .touchUpInside)
        
        //实例化 UIBarButtonItem
        self.init(customView:btn)
    }
}
